AMD Radeon HD 7660D vs AMD Radeon HD 6770

Comparative analysis of AMD Radeon HD 7660D and AMD Radeon HD 6770 videocards for all known characteristics in the following categories: Essentials, Technical info, API support, Memory, Video outputs and ports, Compatibility, dimensions and requirements, Technologies. Benchmark videocards performance analysis: Geekbench - OpenCL, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), PassMark - G2D Mark, PassMark - G3D 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), 3DMark Fire Strike - Graphics Score.

 

Differences

Reasons to consider the AMD Radeon HD 7660D

  • Videocard is newer: launch date 1 year(s) 8 month(s) later
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 32 nm vs 40 nm
Launch date 26 September 2012 vs 21 January 2011
Manufacturing process technology 32 nm vs 40 nm

Reasons to consider the AMD Radeon HD 6770

  • Around 13% higher boost clock speed: 900 MHz vs 800 MHz
  • 2.1x more pipelines: 800 vs 384
  • Around 80% better performance in Geekbench - OpenCL: 3802 vs 2107
  • 2.5x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2546 vs 1001
  • 2.5x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2546 vs 1001
  • Around 6% better performance in GFXBench 4.0 - Manhattan (Frames): 2279 vs 2159
  • Around 6% better performance in GFXBench 4.0 - Manhattan (Fps): 2279 vs 2159
  • Around 1% better performance in GFXBench 4.0 - T-Rex (Frames): 3358 vs 3327
  • Around 1% better performance in GFXBench 4.0 - T-Rex (Fps): 3358 vs 3327
  • Around 79% better performance in PassMark - G2D Mark: 318 vs 178
  • 2.5x better performance in PassMark - G3D Mark: 1262 vs 509
Specifications (specs)
Boost clock speed 900 MHz vs 800 MHz
Pipelines 800 vs 384
Benchmarks
Geekbench - OpenCL 3802 vs 2107
GFXBench 4.0 - Car Chase Offscreen (Frames) 2546 vs 1001
GFXBench 4.0 - Car Chase Offscreen (Fps) 2546 vs 1001
GFXBench 4.0 - Manhattan (Frames) 2279 vs 2159
GFXBench 4.0 - Manhattan (Fps) 2279 vs 2159
GFXBench 4.0 - T-Rex (Frames) 3358 vs 3327
GFXBench 4.0 - T-Rex (Fps) 3358 vs 3327
PassMark - G2D Mark 318 vs 178
PassMark - G3D Mark 1262 vs 509

Compare benchmarks

GPU 1: AMD Radeon HD 7660D
GPU 2: AMD Radeon HD 6770

Geekbench - OpenCL
GPU 1
GPU 2
2107
3802
GFXBench 4.0 - Car Chase Offscreen (Frames)
GPU 1
GPU 2
1001
2546
GFXBench 4.0 - Car Chase Offscreen (Fps)
GPU 1
GPU 2
1001
2546
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
2159
2279
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
2159
2279
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
3327
3358
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
3327
3358
PassMark - G2D Mark
GPU 1
GPU 2
178
318
PassMark - G3D Mark
GPU 1
GPU 2
509
1262
Name AMD Radeon HD 7660D AMD Radeon HD 6770
Geekbench - OpenCL 2107 3802
GFXBench 4.0 - Car Chase Offscreen (Frames) 1001 2546
GFXBench 4.0 - Car Chase Offscreen (Fps) 1001 2546
GFXBench 4.0 - Manhattan (Frames) 2159 2279
GFXBench 4.0 - Manhattan (Fps) 2159 2279
GFXBench 4.0 - T-Rex (Frames) 3327 3358
GFXBench 4.0 - T-Rex (Fps) 3327 3358
PassMark - G2D Mark 178 318
PassMark - G3D Mark 509 1262
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 9.69
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 615.217
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.004
CompuBench 1.5 Desktop - Video Composition (Frames/s) 26.748
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 115.157
3DMark Fire Strike - Graphics Score 0

Compare specifications (specs)

AMD Radeon HD 7660D AMD Radeon HD 6770

Essentials

Architecture Terascale 3 TeraScale 2
Code name Trinity Juniper
Launch date 26 September 2012 21 January 2011
Place in performance rating 1173 1117
Type Desktop Desktop
Design AMD Radeon HD 6000 Series
Launch price (MSRP) $129
Price now $76.99
Value for money (0-100) 27.17

Technical info

Boost clock speed 800 MHz 900 MHz
Core clock speed 633 MHz
Manufacturing process technology 32 nm 40 nm
Pipelines 384 800
Floating-point performance 1,360.0 gflops
Texture fill rate 34.0 GTexel / s
Thermal Design Power (TDP) 108 Watt
Transistor count 1,040 million

API support

DirectX 11 11
OpenGL 4.4

Memory

Shared memory 1
Maximum RAM amount 1 GB
Memory bandwidth 76.8 GB / s
Memory bus width 128 Bit
Memory clock speed 1050 MHz
Memory type GDDR5

Video outputs and ports

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

Compatibility, dimensions and requirements

Bus support PCIe 2.0 x16
Interface PCIe 2.0 x16
Length 198 mm
Supplementary power connectors 1x 6-pin

Technologies

AMD Eyefinity
CrossFire