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GPU Comparison
ATI Radeon HD 4890 vs ATI Radeon HD 2950 XTX
ATI Radeon HD 4890 vs ATI Radeon HD 2950 XTX
VS
ATI Radeon HD 4890
ATI Radeon HD 2950 XTX
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4890 and 512MB VRAM Radeon HD 2950 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 4890 's Advantages
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (124.8GB/s vs 72.06GB/s)
480 additional rendering cores
ATI Radeon HD 2950 XTX 's Advantages
Lower TDP (110W vs 190W)
Score
Benchmark
FP32 (float)
Radeon HD 4890
+173%
1.36 TFLOPS
Radeon HD 2950 XTX
0.497 TFLOPS
Radeon HD 4890
VS
Radeon HD 2950 XTX
Graphics Card
Apr 2009
Release Date
Unknown
Radeon R700
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
975 MHz
Memory Clock
1126 MHz
Memory
1024MB
Memory Size
512MB
GDDR5
Memory Type
GDDR4
256bit
Memory Bus
256bit
124.8GB/s
Bandwidth
72.06GB/s
Render Config
10
Compute Units
4
-
-
-
800
Shading Units
320
40
TMUs
16
16
ROPs
16
-
-
-
-
-
-
16 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
-
-
-
1360 GFLOPS
FP32 (float)
497.3 GFLOPS
272.0 GFLOPS
FP64 (double)
99.46 GFLOPS
Board Design
190W
TDP
110W
450 W
Suggested PSU
300 W
2x DVI 1x S-Video
Outputs
2x DVI 1x S-Video
2x 6-pin
Power Connectors
1x 6-pin
Graphics Processor
RV790
GPU Name
RV670
RV790 XT (215-0758016)
GPU Variant
RV670 XTX (215-0708004)
TeraScale
Architecture
TeraScale
TSMC
Foundry
TSMC
55 nm
Process Size
55 nm
0.959 billion
Transistors
0.666 billion
282 mm²
Die Size
192 mm²
Graphics Features
10.1 (10_1)
DirectX
10.1 (10_1)
3.3
OpenGL
3.3 (full) 4.0 (partial)
1.1
OpenCL
N/A
N/A
Vulkan
N/A
-
-
-
4.1
Shader Model
4.1
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4
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6
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9
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