Home GPU Comparison AMD Radeon R9 285 vs AMD Radeon Pro V420

AMD Radeon R9 285 vs AMD Radeon Pro V420

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 285 and 32GB VRAM AMD Radeon Pro V420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 285 's Advantages
Lower TDP (190W vs 300W)
AMD Radeon Pro V420 's Advantages
Boost Clock1700MHz
More VRAM (32GB vs 2GB)
Larger VRAM bandwidth (819.2GB/s vs 176.0GB/s)
2304 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R9 285
3.29 TFLOPS
AMD Radeon Pro V420 +323%
13.93 TFLOPS
VS

Graphics Card

Sep 2014
Release Date
Unknown
Volcanic Islands
Generation
Radeon Pro Vega
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

-
Base Clock
800 MHz
-
Boost Clock
1700 MHz
1375 MHz
Memory Clock
800 MHz

Memory

2GB
Memory Size
32GB
GDDR5
Memory Type
HBM2
256bit
Memory Bus
4096bit
176.0GB/s
Bandwidth
819.2GB/s

Render Config

28
Compute Units
64
-
-
-
1792
Shading Units
4096
112
TMUs
256
32
ROPs
64
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
4 MB
-
-
-

Theoretical Performance

29.38 GPixel/s
Pixel Rate
108.8 GPixel/s
102.8 GTexel/s
Texture Rate
435.2 GTexel/s
3.290 TFLOPS
FP16 (half)
27.85 TFLOPS
3.290 TFLOPS
FP32 (float)
13.93 TFLOPS
205.6 GFLOPS
FP64 (double)
6.963 TFLOPS

Board Design

190W
TDP
300W
450 W
Suggested PSU
700 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
6x mini-DisplayPort 1.4a
2x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

Tonga
GPU Name
Vega 20
Tonga PRO (215-0851128)
GPU Variant
Vega 20 GLXT WS (215-0914026)
GCN 3.0
Architecture
GCN 5.1
TSMC
Foundry
TSMC
28 nm
Process Size
7 nm
5 billion
Transistors
13.23 billion
366 mm²
Die Size
331 mm²

Graphics Features

12 (12_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.2.170
Vulkan
1.3
-
-
-
6.5
Shader Model
6.7

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