NVIDIA GeForce GTX 980 vs NVIDIA Tesla K20m

Comparative analysis of NVIDIA GeForce GTX 980 and NVIDIA Tesla K20m videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps), 3DMark Fire Strike - Graphics Score.

NVIDIA GeForce GTX 980

NVIDIA Tesla K20m

Differences

Reasons to consider the NVIDIA GeForce GTX 980

Videocard is newer: launch date 1 year(s) 8 month(s) later
Around 41% better floating-point performance: 4,981 gflops vs 3,524 gflops
Around 36% lower typical power consumption: 165 Watt vs 225 Watt
2.5x better performance in PassMark - G3D Mark: 11112 vs 4432
3.8x better performance in PassMark - G2D Mark: 791 vs 210
2.2x better performance in Geekbench - OpenCL: 34898 vs 16085
2x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 110.006 vs 54.89
Around 73% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 9.194 vs 5.303
Around 91% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 477.015 vs 250.291
Around 15% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 9566 vs 8319
Around 15% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 9566 vs 8319

Specifications (specs)
Launch date	19 September 2014 vs 5 January 2013
Floating-point performance	4,981 gflops vs 3,524 gflops
Thermal Design Power (TDP)	165 Watt vs 225 Watt
Benchmarks
PassMark - G3D Mark	11112 vs 4432
PassMark - G2D Mark	791 vs 210
Geekbench - OpenCL	34898 vs 16085
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	110.006 vs 54.89
CompuBench 1.5 Desktop - T-Rex (Frames/s)	9.194 vs 5.303
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	477.015 vs 250.291
GFXBench 4.0 - Car Chase Offscreen (Frames)	9566 vs 8319
GFXBench 4.0 - Car Chase Offscreen (Fps)	9566 vs 8319

Reasons to consider the NVIDIA Tesla K20m

Around 2% higher texture fill rate: 146.8 GTexel / s vs 144 billion / sec
Around 22% higher pipelines: 2496 vs 2048
Around 25% higher maximum memory size: 5 GB vs 4 GB
742.9x more memory clock speed: 5200 MHz vs 7.0 GB/s
Around 5% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 1414.755 vs 1348.307
2.2x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 83.807 vs 37.443
Around 99% better performance in GFXBench 4.0 - Manhattan (Frames): 7337 vs 3690
3.3x better performance in GFXBench 4.0 - T-Rex (Frames): 10873 vs 3335
Around 99% better performance in GFXBench 4.0 - Manhattan (Fps): 7337 vs 3690
3.3x better performance in GFXBench 4.0 - T-Rex (Fps): 10873 vs 3335

Specifications (specs)
Texture fill rate	146.8 GTexel / s vs 144 billion / sec
Pipelines	2496 vs 2048
Maximum memory size	5 GB vs 4 GB
Memory clock speed	5200 MHz vs 7.0 GB/s
Benchmarks
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1414.755 vs 1348.307
CompuBench 1.5 Desktop - Video Composition (Frames/s)	83.807 vs 37.443
GFXBench 4.0 - Manhattan (Frames)	7337 vs 3690
GFXBench 4.0 - T-Rex (Frames)	10873 vs 3335
GFXBench 4.0 - Manhattan (Fps)	7337 vs 3690
GFXBench 4.0 - T-Rex (Fps)	10873 vs 3335

Compare benchmarks

GPU 1: NVIDIA GeForce GTX 980
GPU 2: NVIDIA Tesla K20m

PassMark - G3D Mark

GPU 1

GPU 2

11112

4432

PassMark - G2D Mark

GPU 1

GPU 2

791

210

Geekbench - OpenCL

GPU 1

GPU 2

34898

16085

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

110.006

54.89

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

GPU 1

GPU 2

1348.307

1414.755

CompuBench 1.5 Desktop - T-Rex (Frames/s)

GPU 1

GPU 2

9.194

5.303

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

37.443

83.807

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

GPU 1

GPU 2

477.015

250.291

GFXBench 4.0 - Car Chase Offscreen (Frames)

GPU 1

GPU 2

9566

8319

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

3690

7337

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3335

10873

GFXBench 4.0 - Car Chase Offscreen (Fps)

GPU 1

GPU 2

9566

8319

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

3690

7337

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3335

10873

Name	NVIDIA GeForce GTX 980	NVIDIA Tesla K20m
PassMark - G3D Mark	11112	4432
PassMark - G2D Mark	791	210
Geekbench - OpenCL	34898	16085
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	110.006	54.89
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1348.307	1414.755
CompuBench 1.5 Desktop - T-Rex (Frames/s)	9.194	5.303
CompuBench 1.5 Desktop - Video Composition (Frames/s)	37.443	83.807
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	477.015	250.291
GFXBench 4.0 - Car Chase Offscreen (Frames)	9566	8319
GFXBench 4.0 - Manhattan (Frames)	3690	7337
GFXBench 4.0 - T-Rex (Frames)	3335	10873
GFXBench 4.0 - Car Chase Offscreen (Fps)	9566	8319
GFXBench 4.0 - Manhattan (Fps)	3690	7337
GFXBench 4.0 - T-Rex (Fps)	3335	10873
3DMark Fire Strike - Graphics Score	474

Compare specifications (specs)

	NVIDIA GeForce GTX 980	NVIDIA Tesla K20m
Essentials
Architecture	Maxwell 2.0	Kepler
Code name	GM204	GK110
Launch date	19 September 2014	5 January 2013
Launch price (MSRP)	$549	$3,199
Place in performance rating	379	414
Price now	$605.06
Type	Desktop	Workstation
Value for money (0-100)	21.18
Technical info
Boost clock speed	1216 MHz
CUDA cores	2048
Floating-point performance	4,981 gflops	3,524 gflops
Manufacturing process technology	28 nm	28 nm
Pipelines	2048	2496
Texture fill rate	144 billion / sec	146.8 GTexel / s
Thermal Design Power (TDP)	165 Watt	225 Watt
Transistor count	5,200 million	7,080 million
Core clock speed		706 MHz
Video outputs and ports
Audio input for HDMI	Internal
Display Connectors	1x DVI, 1x HDMI, 3x DisplayPort, Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2	No outputs
DisplayPort Multimode (DP++) support	1
G-SYNC support
HDCP
HDMI
Maximum VGA resolution	2048x1536
Multi monitor support
VGA аnalog display support	1
Compatibility, dimensions and requirements
Bus support	PCI Express 3.0
Height	4.376" (11.1 cm)
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Length	10.5" (26.7 cm)	267 mm
Recommended system power (PSU)	500 Watt
SLI options	1
Supplementary power connectors	2x 6-pins	1x 6-pin + 1x 8-pin
API support
DirectX	12.0 (12_1)	12.0 (11_0)
OpenCL	1.2
OpenGL	4.5	4.6
Memory
Maximum RAM amount	4 GB	5 GB
Memory bandwidth	224 GB / s	208.0 GB / s
Memory bus width	256 Bit	320 Bit
Memory clock speed	7.0 GB/s	5200 MHz
Memory type	GDDR5	GDDR5
Shared memory	0
Technologies
3D Vision
Adaptive Vertical Sync
BatteryBoost
CUDA
GameStream
GameWorks
GeForce Experience
GeForce ShadowPlay
GPU Boost
H.264, VC1, MPEG2 1080p video decoder
Optimus
SLI
Surround