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GPU Comparison
ATI Radeon HD 4870 X2 vs AMD Radeon HD 6930
ATI Radeon HD 4870 X2 vs AMD Radeon HD 6930
VS
ATI Radeon HD 4870 X2
AMD Radeon HD 6930
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 X2 and 1024MB VRAM Radeon HD 6930 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6930 's Advantages
Released 3 years and 4 months late
Larger VRAM bandwidth (153.6GB/s vs 115.2GB/s)
480 additional rendering cores
Lower TDP (186W vs 286W)
Score
Benchmark
FP32 (float)
Radeon HD 4870 X2
1.2 TFLOPS
Radeon HD 6930
+60%
1.92 TFLOPS
Radeon HD 4870 X2
VS
Radeon HD 6930
Graphics Card
Aug 2008
Release Date
Dec 2011
Radeon R700
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
1200 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
115.2GB/s
Bandwidth
153.6GB/s
Render Config
-
SM Count
-
10
Compute Units
20
800
Shading Units
1280
40
TMUs
80
16
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
512 KB
Theoretical Performance
12.00 GPixel/s
Pixel Rate
24.00 GPixel/s
30.00 GTexel/s
Texture Rate
60.00 GTexel/s
-
FP16 (half)
-
1200 GFLOPS
FP32 (float)
1.920 TFLOPS
240.0 GFLOPS
FP64 (double)
480.0 GFLOPS
Graphics Processor
R700
GPU Name
Cayman
R700 XT (215-0669045)
GPU Variant
Cayman CE (215-0807105)
TeraScale
Architecture
TeraScale 3
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.956 billion
Transistors
2.64 billion
256 mm²
Die Size
389 mm²
Board Design
286W
TDP
186W
600 W
Suggested PSU
450 W
2x DVI 1x S-Video
Outputs
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
2x 6-pin
Graphics Features
10.1 (10_1)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
-
CUDA
-
4.1
Shader Model
5.0
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