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GPU Comparison
ATI Radeon HD 2950 PRO vs AMD Radeon R9 390
ATI Radeon HD 2950 PRO vs AMD Radeon R9 390
VS
ATI Radeon HD 2950 PRO
AMD Radeon R9 390
We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2950 PRO and 8GB VRAM Radeon R9 390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 2950 PRO 's Advantages
Lower TDP (75W vs 275W)
AMD Radeon R9 390 's Advantages
Larger VRAM bandwidth (384.0GB/s vs 38.40GB/s)
2240 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 2950 PRO
0.384 TFLOPS
Radeon R9 390
+1233%
5.12 TFLOPS
Radeon HD 2950 PRO
VS
Radeon R9 390
Graphics Card
Unknown
Release Date
Jun 2015
Radeon R600
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
600 MHz
Memory Clock
1500 MHz
Memory
256MB
Memory Size
8GB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
512bit
38.40GB/s
Bandwidth
384.0GB/s
Render Config
-
SM Count
-
4
Compute Units
40
320
Shading Units
2560
16
TMUs
160
16
ROPs
64
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
1024 KB
Theoretical Performance
9.600 GPixel/s
Pixel Rate
64.00 GPixel/s
9.600 GTexel/s
Texture Rate
160.0 GTexel/s
-
FP16 (half)
-
384.0 GFLOPS
FP32 (float)
5.120 TFLOPS
76.80 GFLOPS
FP64 (double)
640.0 GFLOPS
Graphics Processor
RV670
GPU Name
Grenada
RV670 PRO ES (215-0708001)
GPU Variant
Grenada PRO (215-0880030)
TeraScale
Architecture
GCN 2.0
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.666 billion
Transistors
6.2 billion
192 mm²
Die Size
438 mm²
Board Design
75W
TDP
275W
250 W
Suggested PSU
600 W
2x DVI 1x S-Video
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
10.1 (10_1)
DirectX
12 (12_0)
3.3 (full) 4.0 (partial)
OpenGL
4.6
N/A
OpenCL
2.0
N/A
Vulkan
1.2
-
CUDA
-
4.1
Shader Model
6.3
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