AMD Radeon R9 285 vs AMD Radeon RX 6750 XT
GPU · Specs Compare
Graphics Card
Release Date
Sep 2014
Mar 2022
Generation
Volcanic Islands
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1375 MHz
2250 MHz
Base Clock
—
2150 MHz
Boost Clock
—
2600 MHz
Memory
Memory Size
2GB
12GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
192bit
Bandwidth
176.0GB/s
432.0GB/s
Render Config
Compute Units
28
40
Shading Units
1792
2560
TMUs
112
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
29.38 GPixel/s
166.4 GPixel/s
Texture Rate
102.8 GTexel/s
416.0 GTexel/s
FP16 (half)
3.290 TFLOPS
26.62 TFLOPS
FP32 (float)
3.290 TFLOPS
13.31 TFLOPS
FP64 (double)
205.6 GFLOPS
832.0 GFLOPS
Graphics Processor
GPU Name
Tonga
Navi 22
GPU Variant
Tonga PRO(215-0851128)
Navi 22 KXT(215-127000144)
Architecture
GCN 3.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
5 billion
17.2 billion
Die Size
366 mm²
335 mm²
Board Design
TDP
190W
250W
Suggested PSU
450 W
600 W
Outputs
2x DVI1x HDMI 1.4a1x 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 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.2.170
1.3
Shader Model
6.5
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.