Home GPU Comparison AMD Radeon Pro W6800X Duo vs ATI Radeon HD 4870 Mac Edition

AMD Radeon Pro W6800X Duo vs ATI Radeon HD 4870 Mac Edition

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X Duo and 512MB VRAM Radeon HD 4870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800X Duo 's Advantages
Released 12 years and 7 months late
Boost Clock1967MHz
More VRAM (32GB vs 512GB)
Larger VRAM bandwidth (512.0GB/s vs 108.8GB/s)
3040 additional rendering cores
ATI Radeon HD 4870 Mac Edition 's Advantages
Lower TDP (150W vs 400W)

Score

Benchmark

FP32 (float)
Radeon Pro W6800X Duo +1159%
15.11 TFLOPS
Radeon HD 4870 Mac Edition
1.2 TFLOPS
VS

Graphics Card

Aug 2021
Release Date
Jan 2009
Radeon Pro Mac
Generation
Radeon R700
Desktop
Type
Desktop
Apple MPX
Bus Interface
PCIe 2.0 x16

Clock Speeds

1800 MHz
Base Clock
-
1967 MHz
Boost Clock
-
2000 MHz
Memory Clock
850 MHz

Memory

32GB
Memory Size
512MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
256bit
512.0GB/s
Bandwidth
108.8GB/s

Render Config

60
Compute Units
10
-
-
-
3840
Shading Units
800
240
TMUs
40
96
ROPs
16
-
-
-
60
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
256 KB
128 MB
L3 Cache
-

Theoretical Performance

188.8 GPixel/s
Pixel Rate
12.00 GPixel/s
472.1 GTexel/s
Texture Rate
30.00 GTexel/s
30.21 TFLOPS
FP16 (half)
-
15.11 TFLOPS
FP32 (float)
1200 GFLOPS
944.2 GFLOPS
FP64 (double)
240.0 GFLOPS

Board Design

400W
TDP
150W
800 W
Suggested PSU
450 W
1x HDMI 2.1 4x Thunderbolt
Outputs
1x DVI 1x mini-DisplayPort 1.0
None
Power Connectors
2x 6-pin

Graphics Processor

Navi 21
GPU Name
RV770
Navi 21 Pro-XLA
GPU Variant
RV770 XT Mac (215-0669080)
RDNA 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
7 nm
Process Size
55 nm
26.8 billion
Transistors
0.956 billion
520 mm²
Die Size
256 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.1
OpenCL
1.1
1.3
Vulkan
N/A
-
-
-
6.7
Shader Model
4.1

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