Radeon HD 3850 X3 vs Radeon Pro VII
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 X3 and 16GB VRAM Radeon Pro VII to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 3850 X3 Advantages
Lower TDP (145W vs 250W)
Radeon Pro VII Advantages
Boost Clock1700MHz
More VRAM (16GB vs 512GB)
Larger VRAM bandwidth (1020GB/s vs 54.40GB/s)
3520 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 3850 X3
428
Radeon Pro VII
+2951%
13060
Graphics Card
Unknown
Release Date
May 2020
Radeon R600
Generation
Radeon Pro Vega
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1400 MHz
-
Boost Clock
1700 MHz
850 MHz
Memory Clock
1000 MHz
Memory
512MB
Memory Size
16GB
GDDR3
Memory Type
HBM2
256bit
Memory Bus
4096bit
54.40GB/s
Bandwidth
1020GB/s
Render Config
4
Compute Units
60
320
Shading Units
3840
16
TMUs
240
16
ROPs
64
-
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
4 MB
Theoretical Performance
10.70 GPixel/s
Pixel Rate
108.8 GPixel/s
10.70 GTexel/s
Texture Rate
408.0 GTexel/s
-
FP16 (half)
26.11 TFLOPS
428.2 GFLOPS
FP32 (float)
13.06 TFLOPS
-
FP64 (double)
6.528 TFLOPS
Board Design
145W
TDP
250W
300 W
Suggested PSU
600 W
4x DVI
Outputs
6x mini-DisplayPort 1.4a
1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
RV670
GPU Name
Vega 20
RV670 PRO
(215-0708003)
(215-0708003)
GPU Variant
Vega 20 GLXT WS
(215-0914026)
(215-0914026)
TeraScale
Architecture
GCN 5.1
TSMC
Foundry
TSMC
55 nm
Process Size
7 nm
0.666 billion
Transistors
13.23 billion
192 mm²
Die Size
331 mm²
Graphics Features
10.1 (10_1)
DirectX
12 (12_1)
3.3 (full)
4.0 (partial)
4.0 (partial)
OpenGL
4.6
N/A
OpenCL
2.1
N/A
Vulkan
1.3
4.1
Shader Model
6.7
