AMD Radeon HD 7870 XT vs AMD Radeon HD 7850

Comparative analysis of AMD Radeon HD 7870 XT and AMD Radeon HD 7850 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, 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.

 

Differences

Reasons to consider the AMD Radeon HD 7870 XT

  • Videocard is newer: launch date 8 month(s) later
  • Around 70% higher texture fill rate: 93.6 GTexel / s vs 55.04 GTexel / s
  • Around 50% higher pipelines: 1536 vs 1024
  • Around 70% better floating-point performance: 2,995 gflops vs 1,761 gflops
  • Around 22% lower typical power consumption: 185 Watt vs 225 Watt
  • 5x more memory clock speed: 6000 MHz vs 1200 MHz
  • Around 15% better performance in PassMark - G3D Mark: 4470 vs 3885
  • Around 17% better performance in PassMark - G2D Mark: 661 vs 567
  • Around 39% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 65.399 vs 47.041
  • Around 20% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 1230.47 vs 1028.005
  • Around 44% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 6.371 vs 4.41
  • Around 8% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 78.519 vs 72.975
  • Around 39% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 345.793 vs 249.482
  • Around 33% better performance in 3DMark Fire Strike - Graphics Score: 1745 vs 1312
Specifications (specs)
Launch date 19 November 2012 vs 5 March 2012
Texture fill rate 93.6 GTexel / s vs 55.04 GTexel / s
Pipelines 1536 vs 1024
Floating-point performance 2,995 gflops vs 1,761 gflops
Thermal Design Power (TDP) 185 Watt vs 225 Watt
Memory clock speed 6000 MHz vs 1200 MHz
Benchmarks
PassMark - G3D Mark 4470 vs 3885
PassMark - G2D Mark 661 vs 567
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 65.399 vs 47.041
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 1230.47 vs 1028.005
CompuBench 1.5 Desktop - T-Rex (Frames/s) 6.371 vs 4.41
CompuBench 1.5 Desktop - Video Composition (Frames/s) 78.519 vs 72.975
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 345.793 vs 249.482
GFXBench 4.0 - T-Rex (Frames) 3354 vs 3351
GFXBench 4.0 - T-Rex (Fps) 3354 vs 3351
3DMark Fire Strike - Graphics Score 1745 vs 1312

Reasons to consider the AMD Radeon HD 7850

  • Around 3% higher boost clock speed: 1000 MHz vs 975 MHz
  • 2.2x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 6173 vs 2810
  • Around 13% better performance in GFXBench 4.0 - Manhattan (Frames): 3696 vs 3264
  • 2.2x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 6173 vs 2810
  • Around 13% better performance in GFXBench 4.0 - Manhattan (Fps): 3696 vs 3264
Specifications (specs)
Boost clock speed 1000 MHz vs 975 MHz
Benchmarks
GFXBench 4.0 - Car Chase Offscreen (Frames) 6173 vs 2810
GFXBench 4.0 - Manhattan (Frames) 3696 vs 3264
GFXBench 4.0 - Car Chase Offscreen (Fps) 6173 vs 2810
GFXBench 4.0 - Manhattan (Fps) 3696 vs 3264

Compare benchmarks

GPU 1: AMD Radeon HD 7870 XT
GPU 2: AMD Radeon HD 7850

PassMark - G3D Mark
GPU 1
GPU 2
4470
3885
PassMark - G2D Mark
GPU 1
GPU 2
661
567
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
GPU 1
GPU 2
65.399
47.041
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
GPU 1
GPU 2
1230.47
1028.005
CompuBench 1.5 Desktop - T-Rex (Frames/s)
GPU 1
GPU 2
6.371
4.41
CompuBench 1.5 Desktop - Video Composition (Frames/s)
GPU 1
GPU 2
78.519
72.975
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
GPU 1
GPU 2
345.793
249.482
GFXBench 4.0 - Car Chase Offscreen (Frames)
GPU 1
GPU 2
2810
6173
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
3264
3696
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
3354
3351
GFXBench 4.0 - Car Chase Offscreen (Fps)
GPU 1
GPU 2
2810
6173
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
3264
3696
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
3354
3351
3DMark Fire Strike - Graphics Score
GPU 1
GPU 2
1745
1312
Name AMD Radeon HD 7870 XT AMD Radeon HD 7850
PassMark - G3D Mark 4470 3885
PassMark - G2D Mark 661 567
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 65.399 47.041
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 1230.47 1028.005
CompuBench 1.5 Desktop - T-Rex (Frames/s) 6.371 4.41
CompuBench 1.5 Desktop - Video Composition (Frames/s) 78.519 72.975
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 345.793 249.482
GFXBench 4.0 - Car Chase Offscreen (Frames) 2810 6173
GFXBench 4.0 - Manhattan (Frames) 3264 3696
GFXBench 4.0 - T-Rex (Frames) 3354 3351
GFXBench 4.0 - Car Chase Offscreen (Fps) 2810 6173
GFXBench 4.0 - Manhattan (Fps) 3264 3696
GFXBench 4.0 - T-Rex (Fps) 3354 3351
3DMark Fire Strike - Graphics Score 1745 1312

Compare specifications (specs)

AMD Radeon HD 7870 XT AMD Radeon HD 7850

Essentials

Architecture GCN 1.0 GCN 1.0
Code name Tahiti Pitcairn
Launch date 19 November 2012 5 March 2012
Launch price (MSRP) $270 $249
Place in performance rating 521 520
Type Desktop Desktop
Design AMD Radeon HD 7000 Series
Price now $449.59
Value for money (0-100) 11.01

Technical info

Boost clock speed 975 MHz 1000 MHz
Core clock speed 925 MHz
Floating-point performance 2,995 gflops 1,761 gflops
Manufacturing process technology 28 nm 28 nm
Pipelines 1536 1024
Texture fill rate 93.6 GTexel / s 55.04 GTexel / s
Thermal Design Power (TDP) 185 Watt 225 Watt
Transistor count 4,313 million 2,800 million
Stream Processors 1200

Video outputs and ports

Display Connectors 1x DVI, 1x HDMI, 2x mini-DisplayPort 1x DVI, 1x HDMI, 2x mini-DisplayPort
DisplayPort support
Dual-link DVI support
Eyefinity
HDMI
VGA

Compatibility, dimensions and requirements

Interface PCIe 3.0 x16 PCIe 3.0 x16
Length 267 mm 210 mm
Supplementary power connectors 2x 6-pin 1x 6-pin
Bus support PCIe 2.1 x16

API support

DirectX 12.0 (11_1) 11
OpenGL 4.5 4.5

Memory

Maximum RAM amount 2 GB 2 GB
Memory bandwidth 192.0 GB / s 153.6 GB/s
Memory bus width 256 Bit 256 Bit
Memory clock speed 6000 MHz 1200 MHz
Memory type GDDR5 GDDR5

Technologies

AMD Eyefinity
CrossFire
FreeSync