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GPU Comparison
AMD Radeon HD 6790 vs AMD Radeon HD 7950 Monica BIOS 2
AMD Radeon HD 6790 vs AMD Radeon HD 7950 Monica BIOS 2
VS
AMD Radeon HD 6790
AMD Radeon HD 7950 Monica BIOS 2
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 3GB VRAM Radeon HD 7950 Monica BIOS 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6790 's Advantages
32 additional rendering cores
AMD Radeon HD 7950 Monica BIOS 2 's Advantages
Released 9 months late
More VRAM (3GB vs 1GB)
Larger VRAM bandwidth (240.0GB/s vs 134.4GB/s)
Lower TDP (85W vs 150W)
Score
Benchmark
FP32 (float)
Radeon HD 6790
+9%
1.344 TFLOPS
Radeon HD 7950 Monica BIOS 2
1.229 TFLOPS
Radeon HD 6790
VS
Radeon HD 7950 Monica BIOS 2
Graphics Card
Apr 2011
Release Date
Jan 2012
Northern Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1050 MHz
Memory Clock
1250 MHz
Memory
1024MB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
384bit
134.4GB/s
Bandwidth
240.0GB/s
Render Config
-
SM Count
-
10
Compute Units
12
800
Shading Units
768
40
TMUs
48
16
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
768 KB
Theoretical Performance
13.44 GPixel/s
Pixel Rate
25.60 GPixel/s
33.60 GTexel/s
Texture Rate
38.40 GTexel/s
-
FP16 (half)
-
1344 GFLOPS
FP32 (float)
1229 GFLOPS
-
FP64 (double)
307.2 GFLOPS
Graphics Processor
Barts
GPU Name
Tahiti
Barts LE (215-0798002)
GPU Variant
Tahiti PRO (215-0821056)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.7 billion
Transistors
4.313 billion
255 mm²
Die Size
352 mm²
Board Design
150W
TDP
85W
450 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
2x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
1.2
N/A
Vulkan
1.2
-
CUDA
-
5.0
Shader Model
5.1
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