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GPU Comparison
ATI Radeon HD 4890 vs AMD Radeon HD 6970 X2
ATI Radeon HD 4890 vs AMD Radeon HD 6970 X2
VS
ATI Radeon HD 4890
AMD Radeon HD 6970 X2
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4890 and 2GB VRAM Radeon HD 6970 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 4890 's Advantages
Lower TDP (190W vs 375W)
AMD Radeon HD 6970 X2 's Advantages
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (176.0GB/s vs 124.8GB/s)
736 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 4890
1.36 TFLOPS
Radeon HD 6970 X2
+98%
2.703 TFLOPS
Radeon HD 4890
VS
Radeon HD 6970 X2
Graphics Card
Apr 2009
Release Date
Unknown
Radeon R700
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
975 MHz
Memory Clock
1375 MHz
Memory
1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
124.8GB/s
Bandwidth
176.0GB/s
Render Config
-
SM Count
-
10
Compute Units
24
800
Shading Units
1536
40
TMUs
96
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
13.60 GPixel/s
Pixel Rate
28.16 GPixel/s
34.00 GTexel/s
Texture Rate
84.48 GTexel/s
-
FP16 (half)
-
1360 GFLOPS
FP32 (float)
2.703 TFLOPS
272.0 GFLOPS
FP64 (double)
-
Graphics Processor
RV790
GPU Name
Antilles
RV790 XT (215-0758016)
GPU Variant
Antilles XT (215-0807027)
TeraScale
Architecture
TeraScale 3
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.959 billion
Transistors
2.64 billion
282 mm²
Die Size
389 mm²
Board Design
190W
TDP
375W
450 W
Suggested PSU
750 W
2x DVI 1x S-Video
Outputs
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
2x 6-pin
Power Connectors
3x 8-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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