AMD Radeon HD 7850 vs AMD Radeon RX 6700 XT
GPU · Specs Compare
Graphics Card
Release Date
Mar 2012
Mar 2021
Generation
Southern Islands
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1200 MHz
2000 MHz
Base Clock
—
2321 MHz
Boost Clock
—
2581 MHz
Memory
Memory Size
2GB
12GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
192bit
Bandwidth
153.6GB/s
384.0GB/s
Render Config
Compute Units
16
40
Shading Units
1024
2560
TMUs
64
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
27.52 GPixel/s
165.2 GPixel/s
Texture Rate
55.04 GTexel/s
413.0 GTexel/s
FP32 (float)
1.761 TFLOPS
13.21 TFLOPS
FP64 (double)
110.1 GFLOPS
825.9 GFLOPS
FP16 (half)
—
26.43 TFLOPS
Graphics Processor
GPU Name
Pitcairn
Navi 22
GPU Variant
Pitcairn PRO(215-0828062)
Navi 22 XT(215-127000006)
Architecture
GCN 1.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
2.8 billion
17.2 billion
Die Size
212 mm²
335 mm²
Board Design
TDP
130W
230W
Suggested PSU
300 W
550 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
1x 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
Benchmark
3DMark Time Spy
1,334
—
3DMark Time Spy Extreme
325
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.