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GPU Comparison
AMD Radeon R9 390X vs AMD Radeon HD 7750
AMD Radeon R9 390X vs AMD Radeon HD 7750
VS
AMD Radeon R9 390X
AMD Radeon HD 7750
We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 1024MB VRAM Radeon HD 7750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 390X 's Advantages
Released 3 years and 4 months late
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (384.0GB/s vs 72.00GB/s)
2304 additional rendering cores
AMD Radeon HD 7750 's Advantages
Lower TDP (55W vs 275W)
Score
Benchmark
FP32 (float)
Radeon R9 390X
+622%
5.914 TFLOPS
Radeon HD 7750
0.819 TFLOPS
Radeon R9 390X
VS
Radeon HD 7750
Graphics Card
Jun 2015
Release Date
Feb 2012
Pirate Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
1500 MHz
Memory Clock
1125 MHz
Memory
8GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
512bit
Memory Bus
128bit
384.0GB/s
Bandwidth
72.00GB/s
Render Config
44
Compute Units
8
-
-
-
2816
Shading Units
512
176
TMUs
32
64
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
67.20 GPixel/s
Pixel Rate
12.80 GPixel/s
184.8 GTexel/s
Texture Rate
25.60 GTexel/s
-
-
-
5.914 TFLOPS
FP32 (float)
819.2 GFLOPS
739.2 GFLOPS
FP64 (double)
51.20 GFLOPS
Board Design
275W
TDP
55W
600 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
Grenada
GPU Name
Cape Verde
Grenada XT (215-0880004)
GPU Variant
Cape Verde PRO
GCN 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
6.2 billion
Transistors
1.5 billion
438 mm²
Die Size
123 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.0
OpenCL
1.2
1.2
Vulkan
1.2
-
-
-
6.3
Shader Model
5.1
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