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GPU Comparison
AMD Radeon HD 7950 Monica BIOS 1 vs AMD Radeon R9 390X
AMD Radeon HD 7950 Monica BIOS 1 vs AMD Radeon R9 390X
VS
AMD Radeon HD 7950 Monica BIOS 1
AMD Radeon R9 390X
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Monica BIOS 1 and 8GB VRAM Radeon R9 390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7950 Monica BIOS 1 's Advantages
Lower TDP (185W vs 275W)
AMD Radeon R9 390X 's Advantages
Released 3 years and 5 months late
More VRAM (8GB vs 3GB)
Larger VRAM bandwidth (384.0GB/s vs 240.0GB/s)
1280 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 7950 Monica BIOS 1
2.842 TFLOPS
Radeon R9 390X
+108%
5.914 TFLOPS
Radeon HD 7950 Monica BIOS 1
VS
Radeon R9 390X
Graphics Card
Jan 2012
Release Date
Jun 2015
Southern Islands
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1250 MHz
Memory Clock
1500 MHz
Memory
3GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
512bit
240.0GB/s
Bandwidth
384.0GB/s
Render Config
-
SM Count
-
24
Compute Units
44
1536
Shading Units
2816
96
TMUs
176
32
ROPs
64
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
1024 KB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
67.20 GPixel/s
88.80 GTexel/s
Texture Rate
184.8 GTexel/s
-
FP16 (half)
-
2.842 TFLOPS
FP32 (float)
5.914 TFLOPS
710.4 GFLOPS
FP64 (double)
739.2 GFLOPS
Graphics Processor
Tahiti
GPU Name
Grenada
Tahiti PRO (215-0821056)
GPU Variant
Grenada XT (215-0880004)
GCN 1.0
Architecture
GCN 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
6.2 billion
352 mm²
Die Size
438 mm²
Board Design
185W
TDP
275W
450 W
Suggested PSU
600 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.0
1.2
Vulkan
1.2
-
CUDA
-
5.1
Shader Model
6.3
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2
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3
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4
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5
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6
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7
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8
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9
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10
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