AMD Radeon RX 6700M vs AMD Radeon HD 6870 X2
GPU · Specs Compare
Graphics Card
Release Date
May 2021
Jul 2011
Generation
Mobility Radeon
Northern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1489 MHz
—
Boost Clock
2400 MHz
—
Memory Clock
2000 MHz
1050 MHz
Memory
Memory Size
10GB
1024MB
Memory Type
GDDR6
GDDR5
Memory Bus
160bit
256bit
Bandwidth
320.0GB/s
134.4GB/s
Render Config
Compute Units
36
14
Shading Units
2304
1120
TMUs
144
56
ROPs
64
32
RT Cores
36
—
L1 Cache
128 KB per Array
8 KB (per CU)
L2 Cache
3 MB
512 KB
L3 Cache
80 MB
—
Theoretical Performance
Pixel Rate
153.6 GPixel/s
28.80 GPixel/s
Texture Rate
345.6 GTexel/s
50.40 GTexel/s
FP16 (half)
22.12 TFLOPS
—
FP32 (float)
11.06 TFLOPS
2.016 TFLOPS
FP64 (double)
691.2 GFLOPS
—
Graphics Processor
GPU Name
Navi 22
Barts
GPU Variant
Navi 22
Barts XT(215-0798000)
Architecture
RDNA 2.0
TeraScale 2
Foundry
TSMC
TSMC
Process Size
7 nm
40 nm
Transistors
17.2 billion
1.7 billion
Die Size
335 mm²
255 mm²
Board Design
TDP
135W
300W
Outputs
No outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
None
—
Suggested PSU
—
700 W
Graphics Features
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.3
N/A
Shader Model
6.5
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.