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GPU Comparison
AMD Radeon HD 6990 vs AMD Radeon 550
AMD Radeon HD 6990 vs AMD Radeon 550
VS
AMD Radeon HD 6990
AMD Radeon 550
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 2GB VRAM Radeon 550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6990 's Advantages
Larger VRAM bandwidth (160.0GB/s vs 56.00GB/s)
1024 additional rendering cores
AMD Radeon 550 's Advantages
Released 6 years and 1 months late
Boost Clock1183MHz
Lower TDP (50W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 6990
+110%
2.55 TFLOPS
Radeon 550
1.211 TFLOPS
Radeon HD 6990
VS
Radeon 550
Graphics Card
Mar 2011
Release Date
Apr 2017
Northern Islands
Generation
Polaris
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
1100 MHz
-
Boost Clock
1183 MHz
1250 MHz
Memory Clock
1750 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
64bit
160.0GB/s
Bandwidth
56.00GB/s
Render Config
-
SM Count
-
24
Compute Units
8
1536
Shading Units
512
96
TMUs
32
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
26.56 GPixel/s
Pixel Rate
18.93 GPixel/s
79.68 GTexel/s
Texture Rate
37.86 GTexel/s
-
FP16 (half)
1211 GFLOPS
2.550 TFLOPS
FP32 (float)
1211 GFLOPS
637.4 GFLOPS
FP64 (double)
75.71 GFLOPS
Graphics Processor
Antilles
GPU Name
Lexa
Antilles XT (215-0807027)
GPU Variant
Lexa PRO (215-0904018)
TeraScale 3
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
40 nm
Process Size
14 nm
2.64 billion
Transistors
2.2 billion
389 mm²
Die Size
103 mm²
Board Design
375W
TDP
50W
750 W
Suggested PSU
250 W
1x DVI 4x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
2x 8-pin
Power Connectors
None
Graphics Features
11.2 (11_0)
DirectX
12 (12_0)
4.4
OpenGL
4.6
1.2
OpenCL
2.1
N/A
Vulkan
1.3
-
CUDA
-
5.0
Shader Model
6.7
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8
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9
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