Radeon RX Vega 56 vs Radeon HD 3870
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 56 and 512MB VRAM Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX Vega 56 Advantages
Released 9 years and 9 months late
Boost Clock1471MHz
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (409.6GB/s vs 72.06GB/s)
3264 additional rendering cores
Radeon HD 3870 Advantages
Lower TDP (106W vs 210W)
Score
Benchmark
FP32 (float)
Radeon RX Vega 56
+2020%
10540
Radeon HD 3870
497
Graphics Card
Aug 2017
Release Date
Nov 2007
Vega
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1156 MHz
Base Clock
-
1471 MHz
Boost Clock
-
800 MHz
Memory Clock
1126 MHz
Memory
8GB
Memory Size
512MB
HBM2
Memory Type
GDDR4
2048bit
Memory Bus
256bit
409.6GB/s
Bandwidth
72.06GB/s
Render Config
56
Compute Units
4
3584
Shading Units
320
224
TMUs
16
64
ROPs
16
16 KB (per CU)
L1 Cache
-
4 MB
L2 Cache
256 KB
Theoretical Performance
94.14 GPixel/s
Pixel Rate
12.43 GPixel/s
329.5 GTexel/s
Texture Rate
12.43 GTexel/s
21.09 TFLOPS
FP16 (half)
-
10.54 TFLOPS
FP32 (float)
497.3 GFLOPS
659.0 GFLOPS
FP64 (double)
99.46 GFLOPS
Board Design
210W
TDP
106W
550 W
Suggested PSU
300 W
1x HDMI 2.0b
3x DisplayPort 1.4a
3x DisplayPort 1.4a
Outputs
2x DVI
1x S-Video
1x S-Video
2x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
Vega 10
GPU Name
RV670
Vega 10 XL
(215-0894216)
(215-0894216)
GPU Variant
RV670 XT
(215-0708005)
(215-0708005)
GCN 5.0
Architecture
TeraScale
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
55 nm
12.5 billion
Transistors
0.666 billion
495 mm²
Die Size
192 mm²
Graphics Features
12 (12_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3 (full)
4.0 (partial)
4.0 (partial)
2.1
OpenCL
N/A
1.2
Vulkan
N/A
6.4
Shader Model
4.1
