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GPU Comparison
AMD Radeon HD 6990 vs ATI Radeon X550 XTX
AMD Radeon HD 6990 vs ATI Radeon X550 XTX
VS
AMD Radeon HD 6990
ATI Radeon X550 XTX
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 128MB VRAM Radeon X550 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6990 's Advantages
Released 4 years and 2 months late
Larger VRAM bandwidth (160.0GB/s vs 4.800GB/s)
1536 additional rendering cores
Score
Radeon HD 6990
VS
Radeon X550 XTX
Graphics Card
Mar 2011
Release Date
Jan 2007
Northern Islands
Generation
Radeon R300
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1250 MHz
Memory Clock
300 MHz
Memory
2GB
Memory Size
128MB
GDDR5
Memory Type
DDR
256bit
Memory Bus
64bit
160.0GB/s
Bandwidth
4.800GB/s
Render Config
-
SM Count
-
24
Compute Units
-
1536
Shading Units
-
96
TMUs
8
32
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
-
Theoretical Performance
26.56 GPixel/s
Pixel Rate
3.200 GPixel/s
79.68 GTexel/s
Texture Rate
3.200 GTexel/s
-
FP16 (half)
-
2.550 TFLOPS
FP32 (float)
-
637.4 GFLOPS
FP64 (double)
-
Graphics Processor
Antilles
GPU Name
RV410
Antilles XT (215-0807027)
GPU Variant
-
TeraScale 3
Architecture
R400
TSMC
Foundry
TSMC
40 nm
Process Size
110 nm
2.64 billion
Transistors
0.12 billion
389 mm²
Die Size
156 mm²
Board Design
375W
TDP
Unknown
750 W
Suggested PSU
200 W
1x DVI 4x mini-DisplayPort 1.2
Outputs
1x DVI 1x VGA 1x S-Video
2x 8-pin
Power Connectors
None
Graphics Features
11.2 (11_0)
DirectX
9.0b (9_2)
4.4
OpenGL
2.0
1.2
OpenCL
N/A
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
-
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