AMD Radeon HD 7870 XT vs AMD Radeon RX 6750 XT
GPU · Specs Compare
Graphics Card
Release Date
Nov 2012
Mar 2022
Generation
Southern Islands
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
925 MHz
2150 MHz
Boost Clock
975 MHz
2600 MHz
Memory Clock
1500 MHz
2250 MHz
Memory
Memory Size
2GB
12GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
192bit
Bandwidth
192.0GB/s
432.0GB/s
Render Config
Compute Units
24
40
Shading Units
1536
2560
TMUs
96
160
ROPs
32
64
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
3 MB
RT Cores
—
40
L3 Cache
—
96 MB
Theoretical Performance
Pixel Rate
31.20 GPixel/s
166.4 GPixel/s
Texture Rate
93.60 GTexel/s
416.0 GTexel/s
FP32 (float)
2.995 TFLOPS
13.31 TFLOPS
FP64 (double)
748.8 GFLOPS
832.0 GFLOPS
FP16 (half)
—
26.62 TFLOPS
Graphics Processor
GPU Name
Tahiti
Navi 22
GPU Variant
Tahiti LE(215-0821122)
Navi 22 KXT(215-127000144)
Architecture
GCN 1.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
4.313 billion
17.2 billion
Die Size
352 mm²
335 mm²
Board Design
TDP
185W
250W
Suggested PSU
450 W
600 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
2x 6-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.3
Shader Model
5.1
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.