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GPU Comparison
AMD Radeon HD 6770 vs ATI Radeon HD 2950 XTX
AMD Radeon HD 6770 vs ATI Radeon HD 2950 XTX
VS
AMD Radeon HD 6770
ATI Radeon HD 2950 XTX
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6770 and 512MB VRAM Radeon HD 2950 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6770 's Advantages
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (76.80GB/s vs 72.06GB/s)
480 additional rendering cores
Lower TDP (108W vs 110W)
Score
Benchmark
FP32 (float)
Radeon HD 6770
+173%
1.36 TFLOPS
Radeon HD 2950 XTX
0.497 TFLOPS
Radeon HD 6770
VS
Radeon HD 2950 XTX
Graphics Card
Jan 2011
Release Date
Unknown
Northern Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1200 MHz
Memory Clock
1126 MHz
Memory
1024MB
Memory Size
512MB
GDDR5
Memory Type
GDDR4
128bit
Memory Bus
256bit
76.80GB/s
Bandwidth
72.06GB/s
Render Config
-
SM Count
-
10
Compute Units
4
800
Shading Units
320
40
TMUs
16
16
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
256 KB
Theoretical Performance
13.60 GPixel/s
Pixel Rate
12.43 GPixel/s
34.00 GTexel/s
Texture Rate
12.43 GTexel/s
-
FP16 (half)
-
1360 GFLOPS
FP32 (float)
497.3 GFLOPS
-
FP64 (double)
99.46 GFLOPS
Graphics Processor
Juniper
GPU Name
RV670
Juniper XT (215-0754013)
GPU Variant
RV670 XTX (215-0708004)
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
1.04 billion
Transistors
0.666 billion
166 mm²
Die Size
192 mm²
Board Design
108W
TDP
110W
300 W
Suggested PSU
300 W
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
Outputs
2x DVI 1x S-Video
1x 6-pin
Power Connectors
1x 6-pin
Graphics Features
11.2 (11_0)
DirectX
10.1 (10_1)
4.4
OpenGL
3.3 (full) 4.0 (partial)
1.2
OpenCL
N/A
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
4.1
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