Home GPU Comparison AMD Radeon HD 7950 vs AMD Radeon R9 380

AMD Radeon HD 7950 vs AMD Radeon R9 380

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 2GB VRAM Radeon R9 380 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 's Advantages
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (240.0GB/s vs 176.0GB/s)
AMD Radeon R9 380 's Advantages
Released 3 years and 5 months late
Lower TDP (190W vs 200W)

Score

Benchmark

FP32 (float)
Radeon HD 7950
2.867 TFLOPS
Radeon R9 380 +21%
3.476 TFLOPS
3DMark Time Spy
Radeon HD 7950
1917
Radeon R9 380 +45%
2794
VS

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

-
-
-
-
-
-
1250 MHz
Memory Clock
1375 MHz

Memory

3GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
240.0GB/s
Bandwidth
176.0GB/s

Render Config

28
Compute Units
28
-
-
-
1792
Shading Units
1792
112
TMUs
112
32
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

25.60 GPixel/s
Pixel Rate
31.04 GPixel/s
89.60 GTexel/s
Texture Rate
108.6 GTexel/s
-
FP16 (half)
3.476 TFLOPS
2.867 TFLOPS
FP32 (float)
3.476 TFLOPS
716.8 GFLOPS
FP64 (double)
217.3 GFLOPS

Board Design

200W
TDP
190W
550 W
Suggested PSU
450 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
2x 6-pin
Power Connectors
2x 6-pin

Graphics Processor

Tahiti
GPU Name
Antigua
Tahiti PRO (215-0821056)
GPU Variant
Antigua PRO (215-0877000)
GCN 1.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
5 billion
352 mm²
Die Size
366 mm²

Graphics Features

12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.0
1.2
Vulkan
1.2
-
-
-
5.1
Shader Model
6.3

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