AMD Radeon HD 7870 XT vs NVIDIA GeForce GT 640 OEM

VS

AMD Radeon HD 7870 XT

NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 2GB VRAM GeForce GT 640 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 XT 's Advantages

Released 7 months late

Boost Clock975MHz

Larger VRAM bandwidth (192.0GB/s vs 28.51GB/s)

1152 additional rendering cores

NVIDIA GeForce GT 640 OEM 's Advantages

Lower TDP (50W vs 185W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT +389%

2.995 TFLOPS

GeForce GT 640 OEM

0.612 TFLOPS

Radeon HD 7870 XT

VS

GeForce GT 640 OEM

Graphics Card

Nov 2012

Release Date

Apr 2012

Southern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

1500 MHz

Memory Clock

891 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

192.0GB/s

Bandwidth

28.51GB/s

Render Config

24

Compute Units

-

1536

Shading Units

384

96

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

31.20 GPixel/s

Pixel Rate

6.376 GPixel/s

93.60 GTexel/s

Texture Rate

25.50 GTexel/s

-

2.995 TFLOPS

FP32 (float)

612.1 GFLOPS

748.8 GFLOPS

FP64 (double)

25.50 GFLOPS

Board Design

185W

TDP

50W

450 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

2x 6-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

GK107

Tahiti LE (215-0821122)

GPU Variant

GK107-320-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

1.27 billion

352 mm²

Die Size

118 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

5.1

Shader Model

5.1

Related GPU Comparisons

1

AMD Radeon HD 7870 XT vs ATI Radeon HD 4670

2

AMD Radeon HD 7870 XT vs AMD Radeon R9 390 X2

3

AMD Radeon HD 7870 XT vs NVIDIA TITAN Ada

4

AMD Radeon HD 7870 XT vs NVIDIA GeForce GT 520

5

AMD Radeon HD 7870 XT vs ATI FirePro V3800

6

AMD Radeon HD 7870 XT vs NVIDIA CMP 30HX

7

AMD Radeon HD 7870 XT vs AMD Radeon HD 7470 OEM

8

AMD Radeon HD 7870 XT vs AMD Radeon RX 560DX

9

AMD Radeon HD 7870 XT vs AMD Radeon R7 370

10

AMD Radeon HD 7870 XT vs NVIDIA CMP 90HX

Related News

1

CXMT Reportedly Achieves 80% Yield in DDR5 Production

2

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

3

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

4

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

5

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

6

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

7

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

8

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

9

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

10

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage