Home GPU Comparison AMD Radeon R9 390X vs AMD Radeon R7 350 640SP

AMD Radeon R9 390X vs AMD Radeon R7 350 640SP

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 2GB VRAM Radeon R7 350 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390X 's Advantages
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (384.0GB/s vs 72.00GB/s)
2176 additional rendering cores
AMD Radeon R7 350 640SP 's Advantages
Released 3 years and 7 months late
Lower TDP (55W vs 275W)

Score

Benchmark

FP32 (float)
Radeon R9 390X +399%
5.914 TFLOPS
Radeon R7 350 640SP
1.184 TFLOPS
VS

Graphics Card

Jun 2015
Release Date
Jan 2019
Pirate Islands
Generation
Pirate 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
2GB
GDDR5
Memory Type
GDDR5
512bit
Memory Bus
128bit
384.0GB/s
Bandwidth
72.00GB/s

Render Config

44
Compute Units
10
-
-
-
2816
Shading Units
640
176
TMUs
40
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
14.80 GPixel/s
184.8 GTexel/s
Texture Rate
37.00 GTexel/s
-
-
-
5.914 TFLOPS
FP32 (float)
1184 GFLOPS
739.2 GFLOPS
FP64 (double)
74.00 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 XT
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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