Home GPU Comparison AMD Radeon HD 7850 vs AMD Radeon RX 6700

AMD Radeon HD 7850 vs AMD Radeon RX 6700

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7850 and 10GB VRAM Radeon RX 6700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7850 's Advantages
Lower TDP (130W vs 175W)
AMD Radeon RX 6700 's Advantages
Released 9 years and 3 months late
Boost Clock2450MHz
More VRAM (10GB vs 2GB)
Larger VRAM bandwidth (320.0GB/s vs 153.6GB/s)
1280 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 7850
1.761 TFLOPS
Radeon RX 6700 +541%
11.29 TFLOPS
3DMark Time Spy
Radeon HD 7850
1312
Radeon RX 6700 +750%
11154
VS

Graphics Card

Mar 2012
Release Date
Jun 2021
Southern Islands
Generation
Navi II
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

-
Base Clock
1941 MHz
-
Boost Clock
2450 MHz
1200 MHz
Memory Clock
2000 MHz

Memory

2GB
Memory Size
10GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
160bit
153.6GB/s
Bandwidth
320.0GB/s

Render Config

16
Compute Units
36
-
-
-
1024
Shading Units
2304
64
TMUs
144
32
ROPs
64
-
-
-
-
RT Cores
36
16 KB (per CU)
L1 Cache
128 KB per Array
512 KB
L2 Cache
3 MB
-
L3 Cache
80 MB

Theoretical Performance

27.52 GPixel/s
Pixel Rate
156.8 GPixel/s
55.04 GTexel/s
Texture Rate
352.8 GTexel/s
-
FP16 (half)
22.58 TFLOPS
1.761 TFLOPS
FP32 (float)
11.29 TFLOPS
110.1 GFLOPS
FP64 (double)
705.6 GFLOPS

Board Design

130W
TDP
175W
300 W
Suggested PSU
450 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C
1x 6-pin
Power Connectors
1x 8-pin

Graphics Processor

Pitcairn
GPU Name
Navi 22
Pitcairn PRO (215-0828062)
GPU Variant
Navi 22 XTL
GCN 1.0
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
7 nm
2.8 billion
Transistors
17.2 billion
212 mm²
Die Size
335 mm²

Graphics Features

12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.2
OpenCL
2.1
1.2
Vulkan
1.3
-
-
-
5.1
Shader Model
6.5

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