Radeon RX 5700 XT vs Radeon HD 6870
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 5700 XT and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 5700 XT 's Advantages
Released 8 years and 9 months late
Boost Clock1905MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (448.0GB/s vs 134.4GB/s)
1440 additional rendering cores
Radeon HD 6870 's Advantages
Lower TDP (151W vs 225W)
Score
Benchmark
FP32 (float)
Radeon RX 5700 XT
+383%
9754
Radeon HD 6870
2016
Graphics Card
Jul 2019
Release Date
Oct 2010
Navi
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1605 MHz
Base Clock
-
1905 MHz
Boost Clock
-
1750 MHz
Memory Clock
1050 MHz
Memory
8GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
256bit
448.0GB/s
Bandwidth
134.4GB/s
Render Config
40
Compute Units
14
2560
Shading Units
1120
160
TMUs
56
64
ROPs
32
-
L1 Cache
8 KB (per CU)
4 MB
L2 Cache
512 KB
Theoretical Performance
121.9 GPixel/s
Pixel Rate
28.80 GPixel/s
304.8 GTexel/s
Texture Rate
50.40 GTexel/s
19.51 TFLOPS
FP16 (half)
-
9.754 TFLOPS
FP32 (float)
2.016 TFLOPS
609.6 GFLOPS
FP64 (double)
-
Board Design
225W
TDP
151W
550 W
Suggested PSU
450 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.3a
2x mini-DisplayPort 1.1
1x 6-pin + 1x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
Navi 10
GPU Name
Barts
Navi 10 XT
(215-0917210)
GPU Variant
Barts XT
(215-0798000)
RDNA 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
7 nm
Process Size
40 nm
10.3 billion
Transistors
1.7 billion
251 mm²
Die Size
255 mm²
Graphics Features
12 (12_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.3
Vulkan
N/A
6.5
Shader Model
5.0
